At a press event in New York City, Sun Microsystems VP John Fowler and Sun co-founder Andy Bechtolsheim show off the Sun Fire X4100, part of the new Galaxy family of servers. Designed by Bechtolsheim, the machines are based on Advanced Micro Devices' 64-bit Opteron processors and support Solaris OS, Linux and Windows.

Microsoft on Tuesday said it expanded the test program for a version of its Windows Server 2003 operating system running on Advanced Micro Devices' 64-bit Opteron chip.The company initiated a limited test of the operating system in October.